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RU2013156246A - METHOD FOR CONTROL AND MANAGEMENT OF FIRING TEMPERATURE - Google Patents

METHOD FOR CONTROL AND MANAGEMENT OF FIRING TEMPERATURE Download PDF

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Publication number
RU2013156246A
RU2013156246A RU2013156246/04A RU2013156246A RU2013156246A RU 2013156246 A RU2013156246 A RU 2013156246A RU 2013156246/04 A RU2013156246/04 A RU 2013156246/04A RU 2013156246 A RU2013156246 A RU 2013156246A RU 2013156246 A RU2013156246 A RU 2013156246A
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gas
biomass
zone
surface temperature
firing
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RU2013156246/04A
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Russian (ru)
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RU2593988C2 (en
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Ингемар Олофссон
Мартин НОРДВЕГЕР
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Биоэндев Аб
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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
    • C10L9/00—Treating solid fuels to improve their combustion
    • C10L9/08—Treating solid fuels to improve their combustion by heat treatments, e.g. calcining
    • C10L9/083—Torrefaction
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
    • C10L5/00—Solid fuels
    • C10L5/40—Solid fuels essentially based on materials of non-mineral origin
    • C10L5/44—Solid fuels essentially based on materials of non-mineral origin on vegetable substances
    • C10L5/447—Carbonized vegetable substances, e.g. charcoal, or produced by hydrothermal carbonization of biomass
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/025—Interfacing a pyrometer to an external device or network; User interface
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/04—Casings
    • G01J5/041—Mountings in enclosures or in a particular environment
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/05—Means for preventing contamination of the components of the optical system; Means for preventing obstruction of the radiation path
    • G01J5/051—Means for preventing contamination of the components of the optical system; Means for preventing obstruction of the radiation path using a gas purge
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/06—Arrangements for eliminating effects of disturbing radiation; Arrangements for compensating changes in sensitivity
    • G01J5/061—Arrangements for eliminating effects of disturbing radiation; Arrangements for compensating changes in sensitivity by controlling the temperature of the apparatus or parts thereof, e.g. using cooling means or thermostats
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/06—Arrangements for eliminating effects of disturbing radiation; Arrangements for compensating changes in sensitivity
    • G01J5/068—Arrangements for eliminating effects of disturbing radiation; Arrangements for compensating changes in sensitivity by controlling parameters other than temperature
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/08—Optical arrangements
    • G01J5/0806—Focusing or collimating elements, e.g. lenses or concave mirrors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/08—Optical arrangements
    • G01J5/0893—Arrangements to attach devices to a pyrometer, i.e. attaching an optical interface; Spatial relative arrangement of optical elements, e.g. folded beam path
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/27—Control of temperature characterised by the use of electric means with sensing element responsive to radiation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
    • F26B2200/02—Biomass, e.g. waste vegetative matter, straw
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/10—Biofuels, e.g. bio-diesel
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Human Computer Interaction (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Sustainable Development (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Processing Of Solid Wastes (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)

Abstract

1. Способ контроля процесса обжига биомассы, отличающийся тем, что температуру поверхности биомассы в устройстве обжига определяют с использованием ИК-термометра, и при этом поток инертного, не активного в инфракрасной области газа, подают в пространство между линзой ИК термометра и биомассой, и при этом температура инертного, не активного в инфракрасной области газа, на выходе продувочного газа выше 150°С, например выше 200°С, например выше 250°С, например, выше 300°С, например, выше 350°С, например выше 400°С, например выше 450°C.2. Способ управления процессом обжига биомассы, содержащий этапы, на которых:а) контролируют температуру поверхности по п. 1 для получения значения температуры поверхности;b) сравнивают значение температуры поверхности с контрольным значением, и если значение температуры поверхности ниже контрольного значения,c1) увеличивают нагрев в процессе, сокращают охлаждение в процессе или увеличивают время нахождения биомассы в процессе; и/или если значение температуры поверхности выше контрольного значения,с2) сокращают нагрев в процессе, увеличивают охлаждение в процессе или сокращают время нахождения биомассы в процессе.3. Способ по пп. 1 и 2, в котором инертный, не активный в инфракрасной области газ является газообразным азотом или благородным газом.4. Способ по п. 3, в котором инертный, не активный в инфракрасной области газ является газообразным азотом.5. Способ по пп. 1 и 2, в котором температура поверхности биомассы в момент измерения температуры находится в диапазоне между 220°С и 600°С, например 220-500°C, например 220-450°С, например 220-400°С, например 230-600°C, например 230-500°C, например 230-450°C, например 230-400°С, предпо1. A method of controlling the biomass firing process, characterized in that the surface temperature of the biomass in the firing device is determined using an IR thermometer, and the flow of an inert, inactive in the infrared region gas is fed into the space between the IR thermometer lens and the biomass, and this temperature inert, not active in the infrared region of the gas at the outlet of the purge gas above 150 ° C, for example above 200 ° C, for example above 250 ° C, for example, above 300 ° C, for example, above 350 ° C, for example, above 400 ° C, e.g. above 450 ° C. 2. A method for controlling a biomass firing process, comprising the steps of: a) controlling the surface temperature according to claim 1 to obtain a surface temperature value; b) comparing the surface temperature value with a control value, and if the surface temperature value is lower than the control value, c1) increase the heating in the process, reduce cooling in the process or increase the residence time of the biomass in the process; and / or if the surface temperature is higher than the control value, c2) reduce heating in the process, increase cooling in the process, or shorten the residence time of biomass in the process. 3. The method according to PP. 1 and 2, in which the inert, inactive in the infrared region gas is nitrogen gas or a noble gas. 4. A method according to claim 3, wherein the inert, non-infrared active gas is nitrogen gas. The method according to PP. 1 and 2, in which the surface temperature of the biomass at the time of temperature measurement is in the range between 220 ° C and 600 ° C, for example 220-500 ° C, for example 220-450 ° C, for example 220-400 ° C, for example 230-600 ° C, e.g. 230-500 ° C, e.g. 230-450 ° C, e.g. 230-400 ° C,

Claims (12)

1. Способ контроля процесса обжига биомассы, отличающийся тем, что температуру поверхности биомассы в устройстве обжига определяют с использованием ИК-термометра, и при этом поток инертного, не активного в инфракрасной области газа, подают в пространство между линзой ИК термометра и биомассой, и при этом температура инертного, не активного в инфракрасной области газа, на выходе продувочного газа выше 150°С, например выше 200°С, например выше 250°С, например, выше 300°С, например, выше 350°С, например выше 400°С, например выше 450°C.1. A method of controlling the biomass firing process, characterized in that the surface temperature of the biomass in the firing device is determined using an IR thermometer, and the flow of an inert, inactive in the infrared region gas is fed into the space between the IR thermometer lens and the biomass, and this temperature inert, not active in the infrared region of the gas at the outlet of the purge gas above 150 ° C, for example above 200 ° C, for example above 250 ° C, for example, above 300 ° C, for example, above 350 ° C, for example, above 400 ° C, for example above 450 ° C. 2. Способ управления процессом обжига биомассы, содержащий этапы, на которых:2. A method for controlling a biomass firing process, comprising the steps of: а) контролируют температуру поверхности по п. 1 для получения значения температуры поверхности;a) control the surface temperature according to claim 1 to obtain a surface temperature value; b) сравнивают значение температуры поверхности с контрольным значением, и если значение температуры поверхности ниже контрольного значения,b) comparing the value of the surface temperature with a reference value, and if the value of the surface temperature is lower than the reference value c1) увеличивают нагрев в процессе, сокращают охлаждение в процессе или увеличивают время нахождения биомассы в процессе; и/или если значение температуры поверхности выше контрольного значения,c1) increase heating in the process, reduce cooling in the process, or increase the residence time of biomass in the process; and / or if the surface temperature is higher than the control value, с2) сокращают нагрев в процессе, увеличивают охлаждение в процессе или сокращают время нахождения биомассы в процессе.c2) reduce heating in the process, increase cooling in the process, or shorten the residence time of biomass in the process. 3. Способ по пп. 1 и 2, в котором инертный, не активный в инфракрасной области газ является газообразным азотом или благородным газом.3. The method according to PP. 1 and 2, in which the inert, inactive in the infrared region gas is nitrogen gas or a noble gas. 4. Способ по п. 3, в котором инертный, не активный в инфракрасной области газ является газообразным азотом.4. The method according to p. 3, in which the inert, non-active in the infrared region gas is nitrogen gas. 5. Способ по пп. 1 и 2, в котором температура поверхности биомассы в момент измерения температуры находится в диапазоне между 220°С и 600°С, например 220-500°C, например 220-450°С, например 220-400°С, например 230-600°C, например 230-500°C, например 230-450°C, например 230-400°С, предпочтительно 240-500°С, предпочтительно 240-400°С, предпочтительно 240-350°С, наиболее предпочтительно 270-350°C.5. The method according to PP. 1 and 2, in which the surface temperature of the biomass at the time of temperature measurement is in the range between 220 ° C and 600 ° C, for example 220-500 ° C, for example 220-450 ° C, for example 220-400 ° C, for example 230-600 ° C, e.g. 230-500 ° C, e.g. 230-450 ° C, e.g. 230-400 ° C, preferably 240-500 ° C, preferably 240-400 ° C, preferably 240-350 ° C, most preferably 270-350 ° C. 6. Способ по пп. 1 и 2, в котором биомасса является лигноцеллюлозной биомассой, например древесной щепой.6. The method according to PP. 1 and 2, in which the biomass is lignocellulosic biomass, for example wood chips. 7. Устройство обжига, имеющее зону для нагрева и/или обжига, причём инфракрасный термометр расположен в зоне таким образом, что может быть измерена температура поверхности материала, поступающего в зону, находящегося в зоне или выходящего из зоны, и при этом выходное отверстие для продувочного газа расположено на инфракрасном термометре таким образом, что в пространство между линзой ИК термометра и материалом может подаваться инертный, не активный в инфракрасной области газ.7. A firing device having a zone for heating and / or firing, and the infrared thermometer is located in the zone so that the surface temperature of the material entering the zone located in or leaving the zone can be measured, and the outlet for purging gas is located on the infrared thermometer in such a way that an inert, inactive in the infrared gas can be supplied into the space between the IR thermometer lens and the material. 8. Устройство обжига по п. 7, в котором линза инфракрасного термометра и выходное отверстие для продувочного газа расположены в обычной трубе с открытым торцом, которая проходит через зону таким образом, что открытый торец обращен к материалу.8. The firing device according to claim 7, wherein the infrared thermometer lens and the purge gas outlet are located in a conventional open end pipe that passes through the zone so that the open end faces the material. 9. Устройство обжига по пп. 7 и 8, в котором упомянутое 9. The firing device according to paragraphs. 7 and 8, in which выходное отверстие для продувочного газа соединено с газовым сосудом, например баллоном, содержащим упомянутый инертный, не активный в инфракрасной области газ.the purge gas outlet is connected to a gas vessel, for example a cylinder containing said inert, non-infrared active gas. 10. Устройство обжига по п. 9, в котором упомянутый газовый сосуд содержит газообразный азот или благородный газ.10. The firing device according to claim 9, wherein said gas vessel comprises gaseous nitrogen or a noble gas. 11. Устройство обжига по пп. 7 и 8, содержащее по меньшей мере одну зону нагрева и по меньшей мере одну зону обжига, и при этом устройство обжига содержит устройства транспортировки материала, таким образом, что время нахождения материала в зоне обжига может управляться отдельно от времени нахождения в зоне (зонах) нагрева, и при этом зоны обжига расположены в другом отсеке от зон нагрева, и при этом два отсека соединены соединительной зоной, и при этом инфракрасный термометр расположен в упомянутой соединительной зоне.11. The firing device according to paragraphs. 7 and 8, containing at least one heating zone and at least one firing zone, and the firing device comprises material conveying devices, so that the residence time of the material in the firing zone can be controlled separately from the time spent in the zone (s) heating, and the firing zones are located in a different compartment from the heating zones, and the two compartments are connected by a connecting zone, and an infrared thermometer is located in said connecting zone. 12. Устройство обжига по п. 11, в котором соединительная зона расположена в отсеке устройства обжига, который не представлен вращающимся отсеком, и при этом транспортировка материала в соединительной зоне осуществляется не посредством вращения отсека, окружающего соединительную зону. 12. The firing device according to claim 11, in which the connecting zone is located in the compartment of the firing device, which is not represented by a rotating compartment, and the material is not transported in the connecting zone by rotating the compartment surrounding the connecting zone.
RU2013156246/04A 2011-05-18 2012-05-16 Method of monitoring and controlling annealing temperature RU2593988C2 (en)

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SE1150461 2011-05-18
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PCT/SE2012/050529 WO2012158114A1 (en) 2011-05-18 2012-05-16 Method for monitoring and control of torrefaction temperature

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